EE1
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b. 37
The in tempo indication was most probably added as part of the Chopinesque proofreading of FE. A possible oversight by the copyist seems less likely, since a similar difference appears twice more in the Mazurka in C minor No. 4 (bars 41 and 57). The change of preposition from in to a was an arbitrary decision of the engraver/reviser of EE.
Compare the passage in the sources »
category imprint: Differences between sources
issues: Authentic corrections of FE
notation: Verbal indications